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15 lines
442 B
Diff
15 lines
442 B
Diff
intel_fb: avoid pagefault in fliphandler
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--- src/linux/drivers/gpu/drm/i915/display/intel_display_irq.c
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+++ src/linux/drivers/gpu/drm/i915/display/intel_display_irq.c
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@@ -349,7 +349,8 @@ static void flip_done_handler(struct drm_i915_private *i915,
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crtc_state->event = NULL;
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- drm_crtc_send_vblank_event(&crtc->base, e);
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+ if (e)
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+ drm_crtc_send_vblank_event(&crtc->base, e);
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spin_unlock_irqrestore(&dev->event_lock, irqflags);
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}
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